20786090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1259}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19856470

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1259, 1270, 1651, 2518, 3302, 6295, 8255, 12590, 16367, 16510, 32734, 81835, 159893, 163670, 319786, 799465, 1598930, 2078609, 4157218, 10393045, 20786090]

約数ペア:

[(1, 20786090), (2, 10393045), (5, 4157218), (10, 2078609), (13, 1598930), (26, 799465), (65, 319786), (127, 163670), (130, 159893), (254, 81835), (635, 32734), (1259, 16510), (1270, 16367), (1651, 12590), (2518, 8255), (3302, 6295)]